Evidence that the continents have moved over time

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Reference no: EM133191697 , Length: Word count: 1 Page

Question 1. The following statements correctly define radioactive decay, except:

A. energy is release as radioactivity decay occurrs

B. is the process whereby unstable atoms in an element break apart and form new elements

C. all radioactive decay is deadly

D. the spontaneous breakdown of elements can occur in a day or it may take thousands of years

E. radioactive decay is thought to be the bases for the major source o heat for the Earth's interior

Question 2. The following concepts provide supporting evidence that the continents have moved over time, except:

A. the types of modern mammals present

B. shapes of the continents

C. climate evidence

D. geologic fossils

3. All minerals must have the following five specific characteristics, except;

A. inorganic

B. solid

C. semi-liquid

D. Naturally occurring

E. crystalline

F. definite composition

Question 4. Scientist use physical and chemical properties to categorize soil into how many broadly different categories;

A. 12

B. 24

C. 9

D. 4

Question 5. Tropical forest soil is classified as

A. andisols

B. ultisols

C. aridsols

D. oxisols

Question 6. High nutrient soils are classified as

A. spodosols

B. oxisols

C. alfisols

D. ultisols

Question 7. Soils found in Conifer Forest are classified as

A. alfisols

B. Spodosols

C. Histosols

D. oxisols

Question 8. Which of the Islands listed below is an example of islands being formed over a hot spot?

A. The Canary Islands

A. Iceland

C. The Hawaiian Islands

D. none of the above

E. all of the above

Question 9. What type of volcanic flow caused the majority of the deaths associated with the eruption of Mt. St. Helens in 1980?

A. lava flow

B. pyroclastic flow

C. Lahars

Question 10. Which flow is considered the least threat to human life?

A. Lahars

B. pyroclastic flow

C. lava flow

Question 11. All of the following represents the definition and composition of the layers of the Earth, except?

A. The crust is the rigid solid layer that makes up the surface of the Earth

B. The core is divided into two distinct zones, the inner core and is solid

C. The core is the center of the Earth, and is primarily made up of iron

D. The mantle is a dense, how layer of flexible rock that makes up the most center part of the Earth

Question 12. Which area in the U.S. has the highest level of Uranium in surface rocks.

A. Mid-North

B. South-West

C. South-East

Reference no: EM133191697

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